Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360042 | Arched conduit with improved corrugations | James L. Fouss, John J. Parker, Donald W. Sting | 1982-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360042 | Arched conduit with improved corrugations | James L. Fouss, John J. Parker, Donald W. Sting | 1982-11-23 |